7 weeks pregnant scare

I started bleeding and cramping today so i went in to the er knowing I was miscarrying as I had just lost 2 earlier this year, one at 7 weeks the other at 5.  Well I have good and bad new, the baby is exactly the size it needs to be and the heart beat was great however I have a   subchorionic hematoma. So now I am on bed rest, not sure how long.  This is a very serious and scary problem. I may be able to keep the baby however I will most likely have placenta problems. So please keep me and my baby in your prayers!